Free for everyone until Dec 1 Every licence, every question. No sign-up needed.

Reference ›

✈️ Weather minima and fuel

Numbers pilots get asked about on the CPAER, SARON and SAMRA. Summarised from the CARs and CAP GEN; always check the current text.

Free with an accountCommercial pilotAirline transport pilot

VFR minima (CARs 602.114/602.115)

Aeroplanes. Helicopters have lower day minima in uncontrolled airspace.

AirspaceFlight visibilityCloud
Controlled3 SM500 ft vertical, 1 SM horizontal
Uncontrolled, ≥1,000 ft AGL, day1 SM500 ft vertical, 2,000 ft horizontal
Uncontrolled, ≥1,000 ft AGL, night3 SM500 ft vertical, 1 SM horizontal
Uncontrolled, <1,000 ft AGL, day2 SMClear of cloud
Uncontrolled, <1,000 ft AGL, night3 SMClear of cloud

Fuel reserves (CARs 602.88)

Plus fuel for taxi, delays, weather and an engine failure or depressurization at the critical point.

FlightReserve after destination/alternate
VFR day (aeroplane)30 min at normal cruise
VFR night (aeroplane)45 min at normal cruise
VFR helicopter20 min
IFR propeller aeroplaneApproach + missed approach at destination, fly to alternate, then 45 min
IFR turbo-jet or helicopterSame, then 30 min

Alternate minima (CAP GEN, TAF available)

Use whichever is greater. 600-2 can slide to 700-1½ or 800-1; 800-2 to 900-1½ or 1000-1.

FacilitiesCeiling-visibility
2+ usable precision approaches (separate runways)400-1 or 200-½ above lowest HAT/vis
1 usable precision approach600-2 or 300-1 above lowest HAT/vis
Non-precision only800-2 or 300-1 above lowest HAT/HAA/vis
GFA onlyNo cloud below 1,000 ft above lowest HAT/HAA, no CB, vis ≥3 SM

⚠️ Reference only. Always verify against the manufacturer's specs, your jurisdiction's code and your site's procedures.